Broadcast Electronics Marti Electronics ME-40, Manual, Page: 13 / 133

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©2011 Broadcast Electronics
CCIR IM Distortion 0.05% or less, 15 KHz/14 KHz, 1:1 ratio.
FM S/N Ratio 80 dB below +75 KHz deviation @ 400 Hz measured in a
20 Hz to 30 KHz bandwidth with 75 us de-emphasis.
WIDEBAND COMPOSITE OPERATION
PARAMETER SPECIFICATIONS
Inputs 2 total, (1) unbalanced and (1) balanced.
Input Impedance 10 K ohm or 50 ohm, nominal, resistive selectable.
Input Level 3.5 V p-p nominal, for +75 KHz deviation.
FM S/N Ratio 80 dB below +75 KHz deviation @ 400 Hz. Measured in
a 20 Hz to 200 KHz bandwidth with 75 us de-emphasis.
Harmonic Dist Noise 0.05% or less @ 400 Hz.
SMPTE IM Distortion 0.05% or less, 60 Hz/7 KHz, 1:1 ratio.
CCIF IM Distortion 0.05% or less, 15 KHz/14 KHz, 1:1 ration.
Amplitude Response +0.1 dB, 30 Hz to 53 KHz.
Phase Response +0.25 degrees from linear phase, 30 Hz to 53 KHz.
TABLE 1-2. PHYSICAL AND ENVIRONMENTAL SPECIFICATIONS
PARAMETER SPECIFICATION
PHYSICAL
Weight:
Packed
Unpacked
Dimensions:
Height
Width
Depth
46 Pounds (20.8 kg).
38 Pounds (17.2 kg).
5.25 Inches (13.3 cm).
17.70 Inches (44.9 cm).
19.00 Inches (48.3 cm).
ENVIRONMENTAL
Ambient Operation Temperature
Humidity
Altitude
0
˚ C to +50 ˚ C
95% Maximum, Non-Condensing.
7500 ft. @ 50 Hz (2286M); 10,000 ft @ 60 Hz
(3048M)
2 INSTALLATION
This section contains information required for installation and preliminary checkout of the Marti Electronics
ME-40 FM Exciter.
2.1 UNPACKING.
The equipment becomes the property of the customer when the equipment is delivered to the carrier.
Carefully unpack the exciter. Perform a visual inspection to determine that no apparent damage has been
incurred during shipment. All shipping materials should be retained until it is determined that the unit has
not been damaged. Claims for damaged equipment must be promptly filed with the carrier or the carrier
may not accept the claim.
The contents of the shipment should be as indicated on the packing list. If the contents are incomplete,
or if the unit is damaged electrically or mechanically, notify both the carrier and Marti Electronics.
2.2 INSTALLATION.
Each exciter is assembled, operated, tested, and inspected at the factory prior to shipment and is ready for